Analytics BIOC Informational
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Globally uncommon image load from a signed process

A signed process loaded a DLL that, on a global level, it usually doesn't load.

Module:
Platform Analytics
Data source:
XDR Agent
ATT&CK tactics: Defense Evasion (TA0005)
ATT&CK techniques: System Binary Proxy Execution (T1218) Hijack Execution Flow: DLL (T1574.001)
Detector tags: Global Anomaly Analytics DLL Hijacking Analytics
Attacker's goals:

Attackers may use various methods to execute code in the context of a signed process to avoid detection.

Investigative actions:

Check if the actor process loaded a suspicious DLL before the alert. Check if the actor process was injected before the alert. Check if the process execution and connections are legitimate.

Test period:
N/A (single event)
Deduplication:
1 Day
5 variations:
  • Globally uncommon image load from a signed process from a known vendor Medium (parent: Informational)
  • Globally uncommon unsigned image side loaded to a signed process Medium (parent: Informational)
  • Globally uncommon and very rare image load from a signed process Medium (parent: Informational)
  • Globally uncommon image load from an injected thread in a signed process Low (parent: Informational) Adds Process Injection (T1055)
  • Globally uncommon DLL was downloaded from an uncommon source and loaded by a signed process Low (parent: Informational)